2112212000 has 48 divisors (see below), whose sum is σ = 5189714712. Its totient is φ = 844883200.

The previous prime is 2112211967. The next prime is 2112212029. The reversal of 2112212000 is 2122112.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 277289104 + 1834922896 = 16652^2 + 42836^2 .

It is a super-2 number, since 2×2112212000² = 8922879065888000000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260027 + ... + 268026.

Almost surely, 2^2112212000 is an apocalyptic number.

2112212000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112212000 is an abundant number, since it is smaller than the sum of its proper divisors (3077502712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112212000 is an equidigital number, since it uses as much as digits as its factorization.

2112212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528078 (or 528060 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2112212000 is about 45958.8076433669. The cubic root of 2112212000 is about 1283.0566596831.

Adding to 2112212000 its reverse (2122112), we get a palindrome (2114334112).

The spelling of 2112212000 in words is "two billion, one hundred twelve million, two hundred twelve thousand".